Advanced Functional Materials

Cover image for Vol. 25 Issue 8

21_18b/2011Optical Sensors: One-Step Fabrication of Multifunctional Core-Shell Fibres by Co-Electrospinning (Adv. Funct. Mater. 18/2011)

Core–shell fibers, fabricated by co-electrospinning, are presented by Antonio L. Medina-Castillo, Jorge F. Fernández-Sánchez, and co-worker on page 3488. The fiber shell is formed by a fluorescent pH-sensitive co-polymer while the core is formed by magnetic nanoparticles and an oxygen indicator dispersed in poly(methyl methacrylate). The core-shell fibers are magnetic, change their optical properties with the pH of the media, and they are sensitive to O2 – characteristics promising towards application in optical sensors.

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